470 Earths. M I N E R A L. Q> G Y. Earths. 
of i'norl, gjid felfpar. 18. Gneiffum olivinum: compofed 
of mica, garnets, and olivin. Found in the neighbour¬ 
hood of Vefuvius. 
19. Gneiffum lucidum : compofed of mica and horn¬ 
blende. Found in Sweden, and the Carpathian moun¬ 
tains. 
20. Gneiffum triplex: compofed of mica, hornblende, 
and quartz. 21. Gneiffum fyeniticum : compofed of 
hornblende, felfpar, and quartz. 22. Gneiffum Iquamo- 
fum : compofed of hornblende and felfpar. 23. Gneiffum 
gjranatimun : compofed of hornblende and garnets. 24.. 
Gneiffum fplendidum : compofed of hornblende, mica, 
and garnets. 25. Gneiffum quadruplex : compofed of 
hornblende, mica, garnets, and quartz, 26. Gneiffum 
lamellofum : compofed of hornblende and fhorl. Found 
in the Carpathian mountains. 
' 27. Gneiffum bafalticum ; : compofed of mica ami elec¬ 
trical fhorl. Found in the Salzfburg and Tyrolefe valleys. 
28. Gneiffum glandulol’um : compofed of mica and 
garnets. 29. Gneiffum durum : compofed of mica, gar¬ 
nets, and quartz. 30. Gneiffum quartfofum : compofed 
of garnets and quartz. Found in the Carpathian moun¬ 
tains. 
31. Gneiffum micans, or fhining gneifs : compofed of 
fhining marble and mica; of which there are two varie¬ 
ties : a. with golden mica fcattered among the marble ; 
| 3 . with green mica dilpofed in flrata, Found detached 
in Sicily, in a cave on Mount Caputo. The lecond va¬ 
riety in Greece. Probably not of this genus. 
Amygdalites, Almond Stone.—Cpnfilting of various 
rounded or elliptical flones of different fizes, imbedded 
together, and forming an irregular mafs; occurring prin¬ 
cipally in mountains of a later date, and-generally moul¬ 
dering when expofed to the air. There are fifty-five fpe- 
xbes, in four divifions, according as the bafe is talc, lime, 
clay, or flint. 
• I. With a talcofe bafe. 1. Amygdalites rhaeticus : con¬ 
fiding of lleatite and liornftone. Found in Defpiner Alp, 
in the country of the Grilons. Pale green ; the horn- 
ftone grey. 
а. Amygdalites fornacum : compofed of lleatite and 
barytes. Found in the valley Urfexen, where the inha¬ 
bitants, after cutting it into thick plates, make kilns of it. 
Colour greenifli-grey ; the barytes grey, and rough, with 
prominent glandules. It is not eaiily turned into vales ; 
and becomes full of cracks in the fire, unlefs it be ex¬ 
pofed to it in fufliciently-large plate's. 
3. Amygdalites glanduloius : compofed of ferpentine 
or marble and fpar. Found in Italy, and near Schwart- 
zenburg in Saxony. 
■ 4. Amygdalites homogeneus : compofed of ferpentine 
and pot-flone; Found near Zoelig in Saxony. 
. 5. Amygdalites leucochToros : compofed of ferpentine 
and quartz. Found near Sala in Sweden; of a whitifh- 
green colour. 
б. Amygdalites granaticus : compofed of afbeltus and 
garnet. Found in the Tyrolefe mountains and Lapland ; 
writh.fometimes admail mixture of mica. 
II. With a calcareous bafe. 7. Amygdalites ophites : 
confining of- marble and ferpentine. f ound in Sweden, 
Italy, and the fouth of Africa ; generally white, the ler- 
pentine green or black. 
8. Amygdalites Hetruricus : confiftingof macigno and 
ferpentine, w ith glandules of marble or alumine. Found 
in Tuicany near Fiefoli. 
III. With an argillaceous bale. 9. Amygdalites primi- 
genius: compofed of alumine and quartz. Found in 
.Sweden. ■ _ - 
10. Amygdalites afbeftinus : compofed of alumine, af- 
bellus, and garnets. Found near Orpes in Bohemia ; 
containing a vein of iron ore, with fometimes a little lhorl, 
wolfram, mica, or hornblende. 
11. Amygdalites lamellofus: compofed of alumine, 
hornblende, and fpar. Found near Schneeburg in Saxony. 
12. Amygdalites casmentarius : compofed of tarras and 
lavas. Found in various parts of Italy. 
13. Amygdalites wacca : compofed of wacken and fpar. 
Found frequently in Saxony. 
14. Amygdalites fordidus : compofed of wacken and 
quartz. Found near Joachimthal in Bohemia. 
13. Amygdalites ferpentinus : compofed of trap and 
ferpentine. Found in the ftratified mountains of Italy 
and Silelia ; the trap moll commonly brown, the ferpen¬ 
tine dull green ; the nodules very much referable fruit, or 
elliptical or globular feeds. 
16. Amygdalites fteatiticus: compofed of trap and 
fteatite. Found in the duchy of Bipontium and Fran¬ 
conia. 
17. Amygdalites vulgaris, common almond-ltone, or 
amygdaloid : compofed of trap and fpar. Found in Der- 
byfliire and other parts of Britain ; in Italy, Saxony, Bo¬ 
hemia, Hungary, See. in ftratified mountains, and is often 
the matrix of agate and chalcedony. The fpar is always 
white, with fometimes a coating, of green alumine; the 
glandules are larger or lefs, and more or lefs thickly dif- 
perfed through the mafs, which is red, brown, green, 
grey, or black; there is iikewile often an admixture of 
mica, green alumine, or felfpar. 
18. Amygdalites gypfeus : compofed of trap and fele- 
nite. Found in the duchy of Bipontium, or Deuxponts, 
in the Palatinate of the Rhine. 
19. Amygdalites variolofus : compofed of trap and li- 
thornarg. Found in Bohemia and Saxony ; the lithomarg 
white. 
20. Amygdalites asruginofus : compofed of trap and 
green alumine. Found in the vaft mountains near Eram- 
ihey in Bohemia, near Zwickaw in Saxony, and near Ile- 
feld in Hercynia. The trap moflly brown. 
21. Amygdalites zeolithicus : compofed of trap and 
globules of zeolite. Found in the duchy of Bipontium. 
22. Amygdalites tuberofus: compofed of trap and 
glandules of quartz. Found near Frankfort on the Maine. 
23. Amygdalites chalcedonius : compofed of trap and 
chalcedony. Found near Frankfort on the Maine. The 
chalcedony is frequently in a botryoidal form, and fome- 
times pellucid like glafs, or refembling opal. 
24. Amygdalites chlorofti&os : compofed of columnar 
bafaltand lleatite. Found in bafaltic flrata on the Lower 
Rhine, and near Gottingen. The glandules of lleatite 
are greenifh, fparingly fcattered ; the bafalt black. 
25.. Amygdalites fpatofus : compofed of columnar ba¬ 
falt and fpar. Found in the bafaltic mountains of Hefie. 
26. Amygdalites marmoreus : compofed of columnar 
bafalt and glandules of ntarble. Found near Radicofani 
in Italy. 
27. Amygdalites argillofus: compofed of columnar ba¬ 
falt and glandules of alumine. Found in the bafaltic moun¬ 
tains of the fouth of France. 
28. Amygdalites radians : compofed of columnar ba¬ 
falt and glandules of zeolite, which are flellate in a radiate 
manner. Found in the bafaltic mountains of the fouth of 
Franee, Hefie, and Luface. 
29. Amygdalites piceus : compofed of columnar bafalt 
and pitch. Found in the bafaltic mountain in the neigh¬ 
bourhood of Gottingen. 
30. Amygdalites olivinus: compofed of columnar ba¬ 
falt and olivine. Found in the bafaltic mountains of the 
fouth of France, Hefie, Franconia, Saxony, Luface, and 
Bohemia. 
31. Amygdalites durus: compofed of columnar bafalt 
and glandules of quartz. Found in Italy. 
32. Amygdalites granitoides: compofed of columnar 
bafalt. and glandules of granite. Found in Italy and the 
l’outh of France. 
33. Amygdalites ferrifer: compofed of columnar ba¬ 
falt arid fpatole iron-ftone. Found in the bafaltic moun¬ 
tains in the neighbourhood of the Maine. 
34. Amygdalites brecciatus; compofed of lava and 
glandules 
